/Engine/Plugins/Runtime/NetworkPredictionExtras/Source/NetworkPredictionExtras/Public/CharacterMotionComponent.h
Take output for simulation.
void FinalizeFrame ( const [FCharacterMotionSyncState](API\Plugins\NetworkPredictionExtras\FCharacterMotionSyncState) * SyncState, const [FCharacterMotionAuxState](API\Plugins\NetworkPredictionExtras\FCharacterMotionAuxState) * AuxState )